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SageMath
E = EllipticCurve("cu1")
E.isogeny_class()
Elliptic curves in class 17472cu
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 17472.bv3 | 17472cu1 | \([0, 1, 0, -449, 3135]\) | \(38272753/4368\) | \(1145044992\) | \([2]\) | \(9216\) | \(0.47055\) | \(\Gamma_0(N)\)-optimal |
| 17472.bv2 | 17472cu2 | \([0, 1, 0, -1729, -24769]\) | \(2181825073/298116\) | \(78149320704\) | \([2, 2]\) | \(18432\) | \(0.81712\) | |
| 17472.bv1 | 17472cu3 | \([0, 1, 0, -26689, -1687105]\) | \(8020417344913/187278\) | \(49093804032\) | \([2]\) | \(36864\) | \(1.1637\) | |
| 17472.bv4 | 17472cu4 | \([0, 1, 0, 2751, -127809]\) | \(8780064047/32388174\) | \(-8490365485056\) | \([4]\) | \(36864\) | \(1.1637\) |
Rank
sage: E.rank()
The elliptic curves in class 17472cu have rank \(0\).
Complex multiplication
The elliptic curves in class 17472cu do not have complex multiplication.Modular form 17472.2.a.cu
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.
